#region License

/*
 * Copyright ?2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#endregion

using System;
using System.Collections.Generic;

namespace Spring.Context
{
    /// <summary>
    /// Encapsulates the data associated with an event raised by an
    /// <see cref="Spring.Context.IApplicationContext"/>.
    /// </summary>
    /// <author>Rod Johnson</author>
    /// <author>Mark Pollack (.NET)</author>
    /// <author>Griffin Caprio (.NET)</author>
    /// <seealso cref="Spring.Context.IApplicationEventListener"/>
    [Serializable]
    public class ApplicationEventArgs : EventArgs
    {
        private const long TicksAtEpoch = 621355968000000000;
        private DateTime _timestamp;

        /// <summary>
        /// Creates a new instance of the
        /// <see cref="Spring.Context.ApplicationEventArgs"/> class.
        /// </summary>
        public ApplicationEventArgs()
        {
            _timestamp = DateTime.Now;
        }

        /// <summary>
        /// The date and time when the event occured.
        /// </summary>
        /// <value>
        /// The date and time when the event occured.
        /// </value>
        public DateTime TimeStamp
        {
            get { return _timestamp; }
        }

        /// <summary>
        /// The system time in milliseconds when the event happened.
        /// </summary>
        /// <value>
        /// The system time in milliseconds when the event happened.
        /// </value>
        public long EventTimeMilliseconds
        {
            get { return (_timestamp.Ticks - TicksAtEpoch) / 10000; }
        }
    }
}
